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Philadelphia Weekend Weather and Storm Forecasts

Glenn F. Schreiber DMD and Glenn Schreiber is theweatherguy writing about Philadelphia Weather [radar] [surface map] [disclaimer]

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Glenn F Schreiber
aka "theweatherguy"

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Mon, 15 Dec 2008
Philadelphia Winter Weather Update- Mon PM
A frontal boundary is moving eastward through PA tonight, as low pressure moves up along the front. As cold air moves in, light precipitation in the form of rain will change and mix with sleet and freezing rain.
i This evening's WRF-NAM data just available. NO SNOW. Sleet early evening becomes RAIN towards midnight. This storm will be insignificant.

posted: Dec 15 2008 at 9:19 pm

[/weather/dec08] permanent link

Philadelphia Winter Weather Update- Mon PM
A frontal boundary is moving eastward through PA tonight, as low pressure moves up along the front. As cold air moves in, light precipitation in the form of rain will change and mix with sleet and freezing rain.
The atmospheric thermal profile suggests that snow is not possible, but temperatures in the lower levels of the atmosphere appear to be low enough for freezing rain and sleet to develop.
According to the WRF model, the immediate Philadelphia area may not have to deal with this difficult weather until Tuesday evening, although areas to the north and west will have the cold air filter during the late afternoon.
The latest WRF model has some fairly large amount of ice and sleet possibly falling Tuesday night, which means that the early commute on Wednesday may be difficult.
I'll update this situation.

posted: Dec 15 2008 at 6:10 pm

[/weather/dec08] permanent link

Disclaimer: I am not a meteorologist and provide this information as a hobby and for entertainment (mostly my own :-) . While attempts are made to predict the weather as best as I can, use at your own risk! I am NOT responsible for any direct or indirect consequential injury/damages due to your use of these forecasts. Always check the NWS Official Forecast for your final plans.

The weatherguy.net home page has been visited times since October 2003.

theweatherguy's website
		Philadelphia Weekend Weather and Storm Forecasts
Glenn F. Schreiber DMD and Glenn Schreiber is theweatherguy writing about Philadelphia Weather [radar] [surface map] [disclaimer]
	About this blog theweatherguy's website, "Thoughts and comments on Philadelphia Weather and Daily Life." Glenn F Schreiber aka "theweatherguy" Photos Weather Definitions Copy link for RSS feed Links These are a few of my favorite links. National Weather Service Official Forecasts Meteorology Glossary Archives Weather Archives: 13: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 12: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 11: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 10: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 09: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 08: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 07: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 06: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 05: Apr May Jun July Aug Sept Oct Nov Dec Commentary: Miscellaneous Find	Mon, 15 Dec 2008 Philadelphia Winter Weather Update- Mon PM A frontal boundary is moving eastward through PA tonight, as low pressure moves up along the front. As cold air moves in, light precipitation in the form of rain will change and mix with sleet and freezing rain. i This evening's WRF-NAM data just available. NO SNOW. Sleet early evening becomes RAIN towards midnight. This storm will be insignificant. posted: Dec 15 2008 at 9:19 pm [/weather/dec08] permanent link Philadelphia Winter Weather Update- Mon PM A frontal boundary is moving eastward through PA tonight, as low pressure moves up along the front. As cold air moves in, light precipitation in the form of rain will change and mix with sleet and freezing rain. The atmospheric thermal profile suggests that snow is not possible, but temperatures in the lower levels of the atmosphere appear to be low enough for freezing rain and sleet to develop. According to the WRF model, the immediate Philadelphia area may not have to deal with this difficult weather until Tuesday evening, although areas to the north and west will have the cold air filter during the late afternoon. The latest WRF model has some fairly large amount of ice and sleet possibly falling Tuesday night, which means that the early commute on Wednesday may be difficult. I'll update this situation. posted: Dec 15 2008 at 6:10 pm [/weather/dec08] permanent link Disclaimer: I am not a meteorologist and provide this information as a hobby and for entertainment (mostly my own :-) . While attempts are made to predict the weather as best as I can, use at your own risk! I am NOT responsible for any direct or indirect consequential injury/damages due to your use of these forecasts. Always check the NWS Official Forecast for your final plans. The weatherguy.net home page has been visited times since October 2003.